Armasight CO-LR-SD Gen 2+ Day/Night Vision Long Range Clip-On System is a versatile method of using your day time optics for nighttime use. These powerful Armasight night vision devices clip on to the front bell or the rail in front of your day time rifle scope or shooting optic, allowing you to use your daylight rifle scope with precision Generation 2+ night vision capability. You won't have to re-zero your scope when you install the night vision device, which can attach and detach fast with the included quick-release Weaver mount. The Arma Sight COLRSD Generation 2+ Day to Night Vision System utilizes high-definition Generation 2+ night vision technology to create pristine, high brightness images when you look through your scope, and it operates on just a single AA or CR123 battery. Armasight has also included a wireless remote with the sight for fast activation. Use your long-range rifle scope in the dead of night with the Arma-Sight Gen 2+ Standard Definition Clip-On Day/Night Vision System.